.header-logo-bce a:after {
    content: "";
    display: block;
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    background-repeat: no-repeat;
    background-image: url(../logo-bce.html);
    background-position: 50%;
    background-size: cover;
}